*** matrix material

jcain

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Anyone been up close and personal with the inner design of the ***? Is the matrix material much like ceramic? Is it solid front to rear or in stages? How would a carbide bit fair...?
 

powerstroked08

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I've had a few apart. I used a 3/4 inch drill bit for drilling through wood poles (the 18" long spiral type). And it worked very well. Wear a dust mask because God only knows what that stuff will to do your lungs. And yes its very much like ceramic.
 
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powerstroked08

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Here's what it looks like

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mikeeg02

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I drilled one out, they are made of significantly harder material then the catalytic converter. I split them at the gasket, and drilled both ways with a smaller bore (3/4" - 1" maybe") rotary hammer drill, then with a 4" concrete bit. Went through the cat like butter. Other side, was significantly tougher. New gasket from ford and d33lete tunes and we were back on the road. I pulled some of the nearby sensors off while drilling as a precaution.
 

Notneb

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They still pass an OBD-II exhaust emissions inspection with deleet tune?

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So for AZ, your state maybe different, the OBD scan is just for CEL's, automatic pass/fail. Then it's a visual, and then the rolling load test for smoke. These trucks with a full straight pipe on the lowest tune, still won't smoke for that test.

Now your state may be different but to my knowledge there's nothing the DMV has, that will scan for tunes. I would think that would require platform specific scanning software. Could be wrong!
 

NCSU dirt man

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So for AZ, your state maybe different, the OBD scan is just for CEL's, automatic pass/fail. Then it's a visual, and then the rolling load test for smoke. These trucks with a full straight pipe on the lowest tune, still won't smoke for that test.

Now your state may be different but to my knowledge there's nothing the DMV has, that will scan for tunes. I would think that would require platform specific scanning software. Could be wrong!

I don't know either. I had just been told by somebody who works in the performance industry here locally that NC was supposedly implementing a new type of inspection for diesel trucks here in the next couple years. Until then I'm just looking to enjoy the "safety only" inspections haha
 

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